
304 Stainless Steel Wire for Weaving, Spring Forming and Fastener Production
In the stainless steel wire market, 304 stainless steel wire remains one of the most widely used grades because it balances formability, strength, and corrosion resistance.
For manufacturers producing wire mesh, springs, welding consumables, fasteners, and metal weaving products, material consistency is often more important than simply meeting a chemical composition requirement. Stable diameter tolerance, clean surface finish, and predictable tensile strength are usually the factors that determine production efficiency.
Products Specifications
| Item | Details |
|---|---|
| Standard | ASTM A580 / ASTM A313 |
| Grade | 304 / UNS S30400 |
| Diameter Range | 0.05 mm – 20 mm |
| Supply Condition | Soft Annealed, Semi-Hard, Hard Drawn, Spring Wire |
| Surface Finish | Bright, Pickled, Matte |
| Processing Service | Rewinding, Straightening, Cutting |
| Trade Terms | FOB, CFR, CIF |
| Payment Terms | T/T, L/C |
| Property | Value |
| Chromium (Cr) | 18.0 – 20.0% |
| Nickel (Ni) | 8.0 – 10.5% |
| Carbon (C) | ≤ 0.08% |
| Tensile Strength (Soft) | 520 – 750 MPa |
| Tensile Strength (Hard Drawn) | 1200 – 1800 MPa |
| Elongation | ≥ 35% |
| Density | 7.93 g/cm³ |
What Makes 304 Stainless Steel Wire Popular?
Wide Strength Range
One advantage of 304 wire is that different strength levels can be supplied for different manufacturing processes. Soft wire is suitable for forming and bending, while hard-drawn wire is commonly used for springs and high-strength applications.
Consistent Wire Diameter
For automated production lines, diameter tolerance directly affects product quality. Precision-drawn 304 wire helps reduce machine downtime and material waste.
Suitable for Secondary Processing
304 wire can be bent, twisted, woven, welded, and cold-formed into a variety of finished products without complicated heat treatment.
Clean Surface for Further Manufacturing
Bright-finished wire is often selected for visible components, woven mesh, and precision industrial products where appearance matters.
Common End-Use Industries
- Stainless Steel Wire Mesh
- Compression Springs
- Extension Springs
- Fasteners and Screws
- Welding Wire Production
- Kitchenware Manufacturing
- Filter Elements
- Metal Braided Hoses

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